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https://www.readbyqxmd.com/read/29909296/anterior-cruciate-ligament-reconstruction-with-the-tape-locking-screw-tls-and-a-short-hamstring-graft-clinical-evaluation-of-61-cases-with-a-minimum-12-months-follow-up
#1
Benoît Orfeuvre, Régis Pailhé, Loïc Sigwalt, Brice Rubens Duval, Gabriel Lateur, Stéphane Plaweski, Dominique Saragaglia
INTRODUCTION: The TLS® technique for anterior cruciate ligament (ACL) reconstruction has the advantages of using only one hamstring tendon (semitendinosus) by preparing a short graft secured with screws and braided strips. The theoretical pitfall of this technique is that the graft length is determined arbitrarily. Thus, if the blind tunnels are not long enough, it will be impossible to tension the graft properly upon fixation. The primary objective of this study was to determine the postoperative side-to-side difference in knee laxity...
June 14, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29909164/-is-it-possible-to-practice-sports-with-an-implantable-cardioverter-defibrillator
#2
Charles Guenancia, Rodrigue Garcia
Why? The potential risks of sport for an ICD recipient include appropriate and inappropriate shocks, device damage and worsening of the underlying cardiopathy. These risks should be compared to the physical and psychological benefits of exercise. Where? Due to different medico-legal contexts and considering the results of recent studies, the new US guidelines are more permissive than the European guidelines regarding sport practice in ICD recipients. Who? The underlying context (structural or electrical cardiopathy, psychological impact) should be assessed before any decision is taken...
June 13, 2018: La Presse Médicale
https://www.readbyqxmd.com/read/29907518/ulnar-collateral-ligament-reconstruction-in-athletes-using-a-cortical-button-suspension-technique
#3
Chad Myeroff, J Logan Brock, G Russell Huffman
BACKGROUND: A variety of techniques currently exist for ulnar collateral ligament (UCL) reconstruction in symptomatic overhead athletes, all with the potential complication of fracture about the humeral or ulnar tunnels. Far cortical button fixation is a reproducible, biomechanically attractive option; however, no clinical series has been published on this technique to date. This study reports the clinical outcomes, with minimum 2-year follow-up, of a dual far cortical button suspension technique for UCL reconstruction in athletes...
June 13, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29905047/-treatment-of-gartland-type-%C3%A2-and-%C3%A2-supracondylar-fracture-of-humerus-in-children
#4
Qing Zhou, Qingquan Kong, Bo Gao
Objective: To analyze the treatment of Gartland type Ⅱ and Ⅲ supracondylar fracture of the humerus in children. Methods: Between January 2015 and January 2017, 45 cases of Gartland type Ⅱ and Ⅲ supracondylar fracture of the humerus were treated. There were 28 boys and 17 girls with an age of 1-13 years (mean, 5.7 years). The causes of injury included sports injury in 43 cases and falling from height in 2 cases. Fractures were classified as type Ⅱ in 12 cases and type Ⅲ in 33 cases according to Gartland classification...
June 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29904825/the-effect-of-residency-training-on-arthroscopic-knot-tying-and-knot-stability-which-knot-is-best-tied-by-orthopaedic-surgery-residents
#5
Kevin J Cronin, Jacob L Cox, Timothy M Hoggard, Scott T Marberry, Brandon G Santoni, Charles C Nofsinger
BACKGROUND: The aim of this study is to evaluate which of three arthroscopic knots are most reliably taught to and executed by residents at varying levels of training. METHODS: Three arthroscopic knots, the Samsung Medical Center (SMC), the Weston, and the surgeon's knot, were taught to 16 orthopaedic surgery residents. Each knot was tied in triplicate at two sessions 1 week apart. The knots were then biomechanically tested for strength. Corresponding knots tied by a sports medicine fellow served as the respective controls...
June 15, 2018: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29904351/heart-rate-monitoring-in-team-sports-a-conceptual-framework-for-contextualizing-heart-rate-measures-for-training-and-recovery-prescription
#6
Christoph Schneider, Florian Hanakam, Thimo Wiewelhove, Alexander Döweling, Michael Kellmann, Tim Meyer, Mark Pfeiffer, Alexander Ferrauti
A comprehensive monitoring of fitness, fatigue, and performance is crucial for understanding an athlete's individual responses to training to optimize the scheduling of training and recovery strategies. Resting and exercise-related heart rate measures have received growing interest in recent decades and are considered potentially useful within multivariate response monitoring, as they provide non-invasive and time-efficient insights into the status of the autonomic nervous system (ANS) and aerobic fitness. In team sports, the practical implementation of athlete monitoring systems poses a particular challenge due to the complex and multidimensional structure of game demands and player and team performance, as well as logistic reasons, such as the typically large number of players and busy training and competition schedules...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29904024/accuracy-of-a-basketball-indoor-tracking-system-based-on-standard-bluetooth-low-energy-channels-nbn23-%C3%A2
#7
Bruno Figueira, Bruno Gonçalves, Hugo Folgado, Nerijus Masiulis, Julio Calleja-González, Jaime Sampaio
The present study aims to identify the accuracy of the NBN23&reg; system, an indoor tracking system based on radio-frequency and standard Bluetooth Low Energy channels. Twelve capture tags were attached to a custom cart with fixed distances of 0.5, 1.0, 1.5, and 1.8 m. The cart was pushed along a predetermined course following the lines of a standard dimensions Basketball court. The course was performed at low speed (<10.0 km/h), medium speed (>10.0 km/h and <20.0 km/h) and high speed (>20.0 km/h)...
June 14, 2018: Sensors
https://www.readbyqxmd.com/read/29903381/fundamentals-of-sports-analytics
#8
REVIEW
Erin B Wasserman, Mackenzie M Herzog, Christy L Collins, Sarah N Morris, Stephen W Marshall
Recently, the importance of statistics and analytics in sports has increased. This review describes measures of sports injury and fundamentals of sports injury research with a brief overview of some of the emerging measures of sports performance. We describe research study designs that can be used to identify risk factors for injury, injury surveillance programs, and common measures of injury risk and association. Finally, we describe measures of physical performance and training and considerations for using these measures...
July 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29902807/a-biomechanical-comparison-of-single-leg-landing-and-unplanned-sidestepping
#9
Chamnan Chinnasee, Gillian Weir, Siriporn Sasimontonkul, Jacqueline Alderson, Cyril Donnelly
Unplanned sidestepping and single-leg landing have both been used to screen athletes for injury risk in sport. The aim of this study was to directly compare the lower limb mechanics of three single-leg landing tasks and an unplanned sidestepping task. Thirteen elite female team sport athletes completed a series of non-contact single-leg drop landings, single-leg countermovement jumps, single-leg jump landings and unplanned sidestepping in a randomized counterbalanced design. Three dimensional kinematics (250 Hz) and ground reaction force (2,000 Hz) data with a participant specific lower limb skeletal model were used to calculate and compare hip, knee and ankle joint kinematics, peak joint moments, instantaneous joint power and joint work during the weight acceptance phase of each sporting task (α=0...
June 14, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29902127/the-influence-of-fatigue-on-decision-making-in-athletes-a-systematic-review
#10
Thomas Gus Almonroeder, Sarah Marie Tighe, Taylor Matthew Miller, Christopher Ray Lanning
A potential challenge associated with sports is that athletes must often perform the cognitive processing associated with decision-making (i.e., movement selection) when fatigued. The purpose of this systematic review was to summarise studies that have analysed the extent to which fatigue influences the effects of decision-making on lower extremity mechanics during execution of common sports manoeuvres. We specifically focused on mechanics associated with ACL injury risk. Reviewers searched the PubMed, SPORTDiscus, CINAHL and Web of Science databases...
June 14, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29900180/allograft-use-results-in-higher-re-revision-rate-for-revision-anterior-cruciate-ligament-reconstruction
#11
Kåre Amtoft Nissen, Niclas Højgaard Eysturoy, Torsten Grønbech Nielsen, Martin Lind
Background: The literature on revision anterior cruciate ligament (ACL) reconstruction (ACLR) outcomes is generally sparse, but previous studies have demonstrated that autograft use results in improved sports function and patient-reported outcome measures compared with allograft. However, knowledge is still lacking regarding the impact of graft type on rates of re-revision. Purpose: To investigate the clinical outcomes and failure rates of revision ACLRs performed with either allograft or autograft...
June 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29900009/seated-pressures-in-daily-wheelchair-and-sports-equipment-investigating-the-protective-effects-of-cushioned-shorts
#12
Torey M Anderson, Kaitlynn L McKirgan, Jennifer D Hastings
Study design: The primary study design was a pretest and posttest study performed in a single session with subjects as their own control. We summarize three integrated and sequential studies. Objective: The objective of this study was to investigate whether commercially available cushioned shorts would add skin protection when used in adaptive sports equipment (AE). Setting: Community in Tacoma Washington, USA. Methods: TekScan Pressure Mapping System for recording average (AP) and peak (PP) seating pressures...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29899711/unchanged-erythrocyte-profile-after-exposure-to-cryogenic-temperatures-in-elder-marathon-runners
#13
Jadwiga Szymura, Magdalena Wiecek, Marcin Maciejczyk, Joanna Gradek, Malgorzata Kantorowicz, Zbigniew Szygula
Objective: Endurance runners may experience "sports anemia" resulting from intravascular hemolysis. In addition, aging has negative impact on hematopoiesis and rheological properties of blood, and erythrocyte membranes in older people are more vulnerable to oxidative damage, which together can lead to anemia. Whole-body cryostimulation (WBCST) is increasingly used in the elderly as a method of biological regeneration of athletes or therapy and preventive treatment. That is why the aim of the study was to determine whether repeated WBCST had an effect on the erythrocyte system in master marathon runners, compared to non-training men...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29899703/anthropometry-body-composition-and-performance-in-sport-specific-field-test-in-female-wheelchair-basketball-players
#14
Valentina Cavedon, Carlo Zancanaro, Chiara Milanese
Data on the physical and performance characteristics of female wheelchair basketball (WB) players are scarce. In several countries female WB players train and compete with male players on mixed teams due to the limited total population of players, which would otherwise lead to large territorial spread for each team. Any differences in terms of physical characteristics and/or WB skill proficiency between male and female WB players would be relevant to team performance in mixed teams. This work examined anthropometry, body composition, and performance in a set of sport-specific field tests in a sample of 13 female WB players representing about 40% of the eligible population in Italy across a range of functional point scores (Point)...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29898738/serum-concentration-of-cobalt-molybdenum-and-zinc-in-aerobic-anaerobic-and-aerobic-anaerobic-sportsmen
#15
Marcos Maynar, Francisco Llerena, Francisco Javier Grijota, Mario Pérez-Quintero, Ignacio Bartolomé, Javier Alves, María Concepción Robles, Diego Muñoz
BACKGROUND: The aim of the present study was to determine changes in the serum concentrations of trace elements Cobalt (Co), Molybdenum (Mo) and Zinc (Zn) among high-level sportsmen. METHODS: Eighty professional athletes of different metabolic modalities (aerobic, anaerobic and aerobic-anaerobic), were recruited before the beginning of their training seasons. Thirty-one sedentary participants of the same geographic area constituted the control group. Co, Mo and Zn analysis was performed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)...
June 13, 2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29897309/great-toe-drop-following-knee-ligament-reconstruction-a-case-report
#16
David A Boyce, Chantal Prewitt
CASE DESCRIPTION: A 17-year-old male post anterior cruciate ligament reconstruction complained of the inability to extend his great toe immediately following surgery. BACKGROUND: Neurological injuries following knee arthroscopy have been reported to occur between 0.6%-2.5%. The most commonly injured nerves are the saphenous and common fibular nerve (CFN). Great toe-drop secondary to isolated denervation of the extensor hallucis longus (EHL), has only been reported one time in the literature...
June 13, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29897278/acute-sport-related-concussion-screening-for-collegiate-athletes-using-an-instrumented-balance-assessment
#17
Joshua Baracks, Douglas J Casa, Tracey Covassin, Ryan Sacko, Samantha E Scarneo, David Schnyer, Susan W Yeargin, Christopher Neville
CONTEXT:   Without a true criterion standard assessment, the sport-related concussion (SRC) diagnosis remains subjective. Inertial balance sensors have been proposed to improve acute SRC assessment, but few researchers have studied their clinical utility. OBJECTIVE:   To determine if group differences exist when using objective measures of balance in a sample of collegiate athletes with recent SRCs and participants serving as the control group and to calculate sensitivity and specificity to determine the diagnostic utility of the inertial balance sensor for acute SRC injuries...
June 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29895778/physical-activity-related-injury-and-its-associated-factors-among-middle-school-students-in-southern-china
#18
Weicong Cai, Yang Gao, Wenda Yang, Fuyuan Cheng, Dongchun Tang, Liping Li
Physical activity (PA) promotion is beneficial to gain and maintain optimal health, but might increase risks for physical activity-related injury (PARI). This cross-sectional study aimed to investigate the incidence rate and identify risk factors of PARI among Chinese middle school students. Selected via the method of cluster random sampling, students graded 7⁻8 (junior) and 10⁻11 (senior) from five middle schools (aged from 10 to 18 years old) in Shantou were invited to participate in the survey. Information on socio-demography, PA involvement, sleep duration, individual safety awareness and exercise behavior, and PARI experiences in the past 12 month was collected...
June 12, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29895236/effect-of-compression-garments-on-the-development-of-delayed-onset-muscle-soreness-a-multimodal-approach-using-contrast-enhanced-ultrasound-and-acoustic-radiation-force-impulse-elastography
#19
Rafael Heiss, Marion Kellermann, Bernd Swoboda, Casper Grim, Matthias S May, Wolfgang Wuest, Michael Uder, Armin M Nagel, Thilo Hotfiel
Study Design Controlled laboratory study with repeated measures. Background Delayed-onset muscle soreness (DOMS) is one of the most common reasons for impaired muscle performance in sports. However, little consensus exists regarding which treatments may be most effective and the underlying mechanisms are poorly understood. Objectives To investigate the influence of compression garments on the development of DOMS, focusing on changes in muscle perfusion and muscle stiffness. Methods Muscle perfusion and stiffness, calf circumference, muscle soreness, passive ankle dorsiflexion, and creatine kinase levels were assessed on participants before (baseline) a DOMS-inducing eccentric calf exercise intervention and 60 h later (follow-up)...
June 12, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29895207/the-hip-control-test-is-a-valid-and-reliable-measure-of-hip-neuromuscular-control
#20
Richard A Brindle, Clare E Milner
Insufficient hip neuromuscular control may contribute to non-contact sport injuries. However, the current evaluative test of hip neuromuscular control, the single-leg squat, requires hip abductor muscle strength to complete. The purpose of this study was to develop the hip control test (HCT) and determine the test's reliability and construct validity. Nineteen healthy adults visited the laboratory twice. The HCT is a 10-s test of reciprocal toe-tapping accuracy. Both automated and manual HCT ratings were recorded simultaneously during each visit...
June 13, 2018: Sports Biomechanics
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